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| 1 | Supply all and installation ready made underground bunker of M50 grade design mix (Contracor will submit test report of M50 grade concerete from any NIT/ Govt college/ CTL) complete including all civil work (earth work, PCC, trenches, way for entry and exit, approach path including removal of excavated material outside defence land) all as specified and directed by Engineer in Charge with the following specifiations:- |
| 2 | Design, Manufacture & Supply of factory-made (wet cast) high strength precast reinforced cement concrete box culverts, boxes steam cured in a controlled environment and manufactured by using high performance self-compacting concrete of M- 50 grade using Fe 500 / 550 D grade TMT steel reinforcement bar. Underground bunker of internal dimensions 4.3X2.4X2.1 Meter. Bearing earth pressure and point load not less than 5 Tonne per point with interlocked plug socket arrangement. Each Bunker includes supply and fittings of 02 x Nos of Wall fans,01 x Nos of Exhaust Fan, 02 x Nos of LED tublights and connected tapping from nearby light points. |
| 3 | Supply and Providing accessory: Loading and transportation of precast concrete box culverts shall be done with care. Handling shall be such as to avoid impact. Rubber gasket required to ensure water-tight character and for jointing of each segment flange-bolt connection with 12 mm diameter, 50 mm length Grade-8.8 high tensile bolts and round washer or equivalent nut bolt connection will be supplied as part of the Box culvert. Technical assistance in form of technical presentation for installation procedure of product and/or one-time visit at site by technical team member of the manufacturer and supplier. |
| 4 | Quality Assurance: The product shall be manufactured from standard and tested raw materials including cement, fine aggregate, coarse aggregate, concrete and reinforcement. The water used for manufacturing of concrete should be potable water with TDS value not more than 300 ppm. The product shall be steam cured in the controlled environment for better quality control with a temperature control of 45 ±2 Deg. Centigrade to 65, ±2 Deg. Centigrade. The factory-made precast products shall be subject to strict quality control and assurance process by the manufacturer and approved by quality assurance personnel. The product must have reinforcement as per design drawings. The product should be handled mechanically at site. The product shall have in-built inserts at optimized locations for handling/transportation. |
| 5 | Precast manufacturer and supplier specification: Precast RCC component manufacturer and supplier shall have national and international repute based on experience and shall be certified for ISO 9001, ISO 14001 and ISO 45001 for design, manufacture and dispatch of products. The precast manufacturer shall have in house quality control laboratory. The precast factory shall have minimum facility of fully automatic, RMC plant for better quality, arrangement for steam curing, mechanical handling of concrete and pre cast components, bar bending machines, stacking yard, in house design team and RO plant for water to be used for manufacturing. GE / or his representative may visit the laboratory to check the quality of Bunker. |
| 6 | Mode of measurement: Rate of precast units shall be for unit of one Each. Rate includes all cost of material, labour charges at plant, cost of reinforcement, formwork and lifting accessories and overheads. Rate shall also include technical assistance in form of technical presentation for installation procedure of product and/ or one-time visit at site by technical team member of the manufacturer and supplier. Rate includes unloading at site. |
| 7 | Tolerance:Finished segment tolerances should not exceed the following:a) Length of segment (not cumulative) +/- 5mmb) Overall span length +/-10mmc) Web thickness, depths of top and bottom flanges,Width of top and bottom flanges, Overall depth ofSegment, Thickness of diaphragm +/-5mmd) Grade of form and soffit +/-1.0mm/m |
| 8 | Location of Supply:1 Delivery Location AF Station Udhampur |
| 9 | TAXES ETCThe Quoted amount shall inter-alia be deemed to be inclusive of all taxes, viz Work ContractTax, terminal taxes, toll taxes, Royalty, Octroi, GST, labour welfare cess or any other taxesand the like levies payable under the respective existing States etc. No claim on account ofany taxes will be payable to contractor whatsoever. |
| 10 | RATE QUOTEDOne unit will be of Each Nos. Rates quoted are in Each. Rates shall be deemed to include the provisions for all materials, stores, labour, process, operations and requirements detailed in specifications. The rate quoted shall also include transportation of materials required for completing the work. |
| 11 | Surfae dressing n exc 15cm deep complete all as directed. |
| 12 | Providing and laying 60mm thick factroy make chamfered edge cement concerete paver block of M-35 grade with approved colour, design & pattern as in footparth, parks, lawns, drive ways or light traffix parking etc. of required strength, thikness & size/ shape made by vibratory method using PU mould, laid in required colour & pattern over and including 50mm thick compacted bed of fine sand, compacting and proper embedding / laying of inter lo0cking paver block into the sand bedding layer through vibratory compaction by using plate vibrator, filling th joint with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand complete all as specified and directed by Engineer in Charge. |
| 13 | M & L for providing, cement concrete 1:2:4 type B-1 (using 20mm graded agg) as in copings, kneelers, apex stones, water troughs and the like including weathering, slightly rounded or chamfered angles and throating complete all as specified and directed by Engineer in Charge. |
| 14 | M & L PCC 1:4:8 type D-2 75mm thick (using 40mm graded aggregate) as in sub base layer complete all as specified and directed by Engineer in Charge. |